Respuesta :

ortizshadow7

Answer:

0

Step-by-step explanation:

A horizontal line has slope zero since it does not rise vertically (i.e. y1 − y2 = 0), while a vertical line has undefined slope since it does not run horizontally (i.e. x1 − x2 = 0).

Answer:

0

Step-by-step explanation:

Undefined slopes are vertical, this is horizontal

hope this helps

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